METHODS Various chromatographic techniques were used to separate and purify. Their physico chemical properties and spectral data (UV, IR, MS, 1H 1H COSY, HMQC, DEPT, HMBC and ORD ect.)

• 方法 利用DIAIONHP 2 0 ,TOYOPEARLHW 4 0等色谱技术分离纯化 ,根据化合物的理化性质和光谱数据 (UV ,IR ,MS ,1 H 1 HCOSY ,HMQC ,DEPT ,HMBC和ORD等 )进行结构鉴定。